The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 48 N⋅m . You plan to tighten the plugs by pulling on the end of a 28-cm-long wrench. Because of the cramped space under the hood, you'll need to pull at an angle of 115 ∘ with respect to the wrench shaft.
a.With what force must you pull?
Consider the figure
The line represent the wrench
F is the pulling Force acting at 115 deg with respect to wrench
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Since F is acting at an angle ,resolve it into its components
Fcos65 does not produce any torque since it is acting along the pivoting point (center of spark plug nut)
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Torque =Force *distance
ANSWER:
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The tune-up specifications of a car call for the spark plugs to be tightened to a...
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